:root{color-scheme:light;--paper:#fff;--ink:#0b1b33;--muted:#41526b;--line:#dce4ef;--brand:#1e6fc8;--soft:#e8f1fc}:root[data-theme=dark]{color-scheme:dark;--paper:#101a2e;--ink:#eaf0fa;--muted:#aab8cd;--line:#213049;--brand:#70adf5;--soft:#172c48}html,body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,system-ui,sans-serif;font-size:15px}body{padding:4px 0}a{color:var(--brand)}#isl-join-widget .container-sm{max-width:100%;padding:0}#isl-join-widget .m-t-100{margin-top:0}#isl-join-widget .m-b-100{margin-bottom:12px}#isl-join-widget .session-title,#isl-join-widget h2{font-family:"Plus Jakarta Sans",system-ui,sans-serif;font-size:23px;font-weight:600;color:var(--ink)}#isl-join-widget .form-control{background:var(--paper);border:1px solid var(--line);border-radius:10px;color:var(--ink);height:56px;font-size:20px;letter-spacing:.08em}#isl-join-widget .form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--soft)}#isl-join-widget .btn-success{background:#1e6fc8;border:1px solid #1e6fc8;border-radius:10px;color:#fff;font-size:16px;padding:13px 20px}#isl-join-widget .btn-success:hover,#isl-join-widget .btn-success:focus{background:#1857a8;border-color:#1857a8}#isl-join-widget label{color:var(--muted)}#isl-join-widget .alert{font-size:14px;text-align:left}#isl-join-widget .container{padding:0}#isl-join-widget p,#isl-join-widget .join-warning{color:var(--muted);line-height:1.6}#widget-loading,#widget-error{padding:20px 8px;line-height:1.6;text-align:center}#widget-error a{text-decoration:underline}